Rust errors / Everything else
Rust compiler error · checked with rustc 1.99.0
Rust error E0739: #### Note: this error code is no longer emitted by the compiler
What it means#### Note: this error code is no longer emitted by the compiler.
Retired: rustc no longer emits this error code. You may still see it in old answers, books and CI logs from older toolchains; the explanation below is kept for reference.
The compiler team's explanation
Note: this error code is no longer emitted by the compiler.
#[track_caller] must be applied to a function
Erroneous code example:
#[track_caller]
struct Bar {
a: u8,
}From rustc --explain E0739 (1.99.0), part of the Rust project, MIT or Apache-2.0. Official page.
Related errors
- E0061this function takes N arguments but M were supplied
- E0412cannot find type in this scope
- E0515cannot return reference to local variable
- E0728await is only allowed inside async functions and blocks
- E0733recursion in an async fn requires boxing
- E0752`main` function is not allowed to be `async`
- E0753expected outer doc comment
Up next
Often hit nextE0061: this function takes N arguments but M were suppliedA related error from the same family.Read it next →Did this answer your question?